In this book you’ll get the scoop on supersmart machines and wacky gadgets you didn’t even know existed. Take the Seabreacher J dolphin-shaped submersible, for example, or the Foodini 3-D food printer.

Now we want to know which nifty new thing you like best! Just answer the polls below. What’s more, you’ll get to test your cool-meter by seeing how your favorites stack up against other kids.